Heartleanne07viz Heartleanne07viz Math Answered A 1. 3x - 12 _2. 4x - 20 3.x2 - 3x 4. 6x2 + 15x 5. x2 + 4x - 32 B. a. 3x(2x + 5) b. (x - 4)(X + 8) C. 4(x+5) d. 3(x-4) e. x(x + 3)